add a new testcase

llvm-svn: 21469
diff --git a/llvm/test/Regression/Transforms/InstCombine/select.ll b/llvm/test/Regression/Transforms/InstCombine/select.ll
index 0be5725..843af1d 100644
--- a/llvm/test/Regression/Transforms/InstCombine/select.ll
+++ b/llvm/test/Regression/Transforms/InstCombine/select.ll
@@ -142,3 +142,9 @@
 	%V = load int* %P2
 	ret int %V
 }
+
+bool %test17(int* %X, bool %C) {
+	%R = select bool %C, int* %X, int* null
+	%RV = seteq int* %R, null
+	ret bool %RV
+}